F(x) = √2x – 4 – 4
what is the domain

The domain of this expression is all real numbers execpt where the expression is undefined. In this case, there is no real number that makes the expression undefined.

Step-by-Step Explanation:

Interval Notation:

(-∞,∞)

Set-Builder Natation:

{x/x ∈ R}

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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step-by-step explanation:

step-by-step explanation:

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